Service Uptime is a website monitoring service that checks your website at regular intervals and notifies you via Email or SMS if it becomes unavailable.

The following is the list of the geographical monitoring locations:

• Brisbane, Australia
• Quebec, Canada
• Florence, Itlay
• Tokya,Japan
• Amsterdam, Netherlands
• California, USA
• Florida, USA
• New Jersey, USA
• Texas, USA
• Stratford, UK
• Singapore

You can visit them at: www.serviceuptime.com.

Hyperspin is a website monitoring service that checks your website at regular intervals and notifies you via Email or SMS if it becomes unavailable.

The following is the list of the geographical monitoring locations:

• Seattle, Washington, USA
• San Jose, California, USA
• Dallas, Texas, USA
• Ashburn, Virginia, USA
• Chicago, Illinois, USA
• Hamilton, Ontario, Canada
• Maidenhead, Berkshire, UK
• Amsterdam, Netherlands
• Singapore
• Brisbane, Queensland, Australia

You can visit them at: hyperspin.com.

Site24×7 offers offers web application and DNS server monitoring to your website at regular intervals of time and alerts you if it is down. It also checks web page content, web page defacement and providers website performance tracking.

It notifies the users through email, SMS and RSS alerts if your site is down. It also provides daily or weekly downtime reports through email and provides online reports and tools for domain-specific information.

Site24×7 offers 2 types of user accounts - Free and Paid. With the free account, users can monitor up to 2 websites. With the Paid account, users can monitor unlimited number of websites, web applications and DNS servers and have the ability to select monitoring intervals.

You can visit them at: Site24×7.

Host-Tracker is a website monitoring service that checks your website at regular intervals and notifies you via Email, ICQ, GTalk or SMS if it becomes unavailable.

The following is the list of the geographical monitoring locations:

• Brisbane, QLD, Australia
• Porto Alegre, Brazil
• Hamilton, Ontario, Canada
• Montreal, QC, Canada (3)
• St-Leonard, QC, Canada
• Poitiers, France
• Berlin, Germany
• Erfurt, Germany
• WanChai, Hong Kong
• Tehran, Iran
• Amsterdam, Netherlands
• Schiphol-Rijk, Netherlands
• Moscow, Russia (3)
• St. Petersburg, Russua (2)
• Singapore, Singapore
• Bangkok, Thailand
• Kiev, Ukraine (4)
• London, UK
• Atlanta, GA, USA (2)
• Canyon Country, CA, USA (2)
• Carson, CA, USA
• Clifton, NJ, USA (2)
• Dallas, TX, USA (13)
• Grand Prairie, TX, USA
• Houston, TX, USA
• Liberty Lake, WA, USA
• Mclean, VA, USA (2)
• Orlando, FL, USA (2)
• Portland, OR, USA
• San Jose, CA, USA
• Scranton, PA, USA

You can visit them at: Host-Tracker.

SiteUptime is a website monitoring service that checks your website at regular intervals and notifies you via email or SMS if it becomes unavailable.

The following is the list of the geographical monitoring locations:

• New York, USA
• San Francisco, USA
• Chicago, USA
• London, UK

You can visit them at: www.siteuptime.com.